19.The molecular formulas and CNMR data (in ppm)are given below.The splitting CH,0.182(q.134.9(d,153.7(d.193.4(d C) D) Ans: Page 12Page 12 19. The molecular formulas and 13C NMR data (in ppm) are given below. The splitting pattern of each signal, taken from the non-decoupled spectrum is given in parentheses. Deduce the correct structure: C4H6O: 18.2 (q), 134.9 (d), 153.7 (d), 193.4 (d) A) O B) O C) H O D) H O E) O Ans: C